Brother DCP-9045CDN Service Manual page 186

(4) Disconnect the Connector (CN3) of the Registration-mark sensor PCB ASSY 1.
(5) Remove the bind B M3x8 Taptite screw, and then remove the Registration-mark sensor
PCB ASSY 1 from the Density sensor holder.
Registration-mark sensor PCB ASSY 1
Density sensor holder
(6) Disconnect the Connector (CN4) of the Registration-mark sensor PCB ASSY 2.
(7) Remove the bind B M3x8 Taptite screw, and then remove the Registration-mark sensor
PCB ASSY 2.
Taptite, bind B M3x8
Fig. 3-36
Registration-mark sensor
PCB ASSY 2
Fig. 3-37
3-53
Taptite, bind B M3x8
Connector
CN3 (Blue)
Registration relay PCB ASSY
Transfer HVPS PCB unit
Connector
CN4 (White)
Registration relay PCB ASSY
Transfer HVPS PCB unit
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